City vs city
Alta vs Waterloo, IA
Waterloo currently scores 9 points higher overall than Alta, with the largest gap in hail.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality is a current EPA AirNow signal; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Alta: 32/100 · Waterloo: 41/100
Waterloo is 9 points higher.
Flood
Alta: 43/100 · Waterloo: 66/100
Waterloo is 23 points higher.
Alta: FEMA NFHL flood zones: 4 features intersect this tile.
Waterloo: FEMA NFHL flood zones: 17 features intersect this tile.
Wind
Alta: 19/100 · Waterloo: 18/100
Alta is 1 points higher.
Alta: Wind exposure derived from ingested design wind / climatology tiles.
Waterloo: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Alta: 56/100 · Waterloo: 30/100
Alta is 26 points higher.
Alta: Lightning exposure derived from ingested climatology tiles.
Waterloo: Lightning exposure derived from ingested climatology tiles.
Tornado
Alta: 23/100 · Waterloo: 15/100
Alta is 8 points higher.
Alta: Tornado risk derived from NOAA SPC historical reports.
Waterloo: Tornado risk derived from NOAA SPC historical reports.
Hail
Alta: 26/100 · Waterloo: 100/100
Waterloo is 74 points higher.
Alta: Hail risk derived from NOAA SPC historical reports.
Waterloo: Hail risk derived from NOAA SPC historical reports.
Storm surge
Alta: Unavailable · Waterloo: Unavailable
A score difference cannot be calculated without both sources.
Alta: Storm surge model is not available for this location yet.
Waterloo: Storm surge model is not available for this location yet.
Wildfire
Alta: 36/100 · Waterloo: 34/100
Alta is 2 points higher.
Alta: Wildfire exposure derived from ingested fire potential tiles.
Waterloo: Wildfire exposure derived from ingested fire potential tiles.
Current air quality
Alta: 20/100 · Waterloo: 21/100
Waterloo is 1 points higher.
Alta: Air quality signal derived from the latest EPA AirNow combined AQI grid.
Waterloo: Air quality signal derived from the latest EPA AirNow combined AQI grid.